Home / 66,617.94-91,932.66-36,403.53

Finding the Fourth Proportional to 66,617.94, 91,932.66 and 36,403.53

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Solution

The fourth proportional to 66,617.94, 91,932.66 and 36,403.53 is: 50,236.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,617.94 : 91,932.66 = 36,403.53 : x
  2. Step 2: Convert to fraction form
    66,617.94/91,932.66 = 36,403.53/x
  3. Step 3: Cross multiply
    66,617.94x = 91,932.66 × 36,403.53
  4. Step 4: Simplify right side
    66,617.94x = 3,346,673,346.29
  5. Step 5: Solve for x
    x = 3,346,673,346.29/66,617.94
  6. Step 6: Final answer
    x = 50,236.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.